Detection: Measures taken to detect technical surveillance devices, technical security hazards, and physical security weaknesses that would permit the technical or physical penetration of a location.
Nullification: The process of neutralizing or negating technical devices employed by making the placement of such devices more difficult. This includes ensuring that an area is protected with adequate physical construction and security measures thus making the placement or use of listening devices ineffective.
Isolation: A method to deter, or make extremely difficult, the introduction of eavesdropping devices by establishing special security areas, for the conduct of sensitive activities.
Vulnerability Analysis to provide senior management with guidelines for the enhancement of security and reduction of the vulnerability of sensitive areas to the technical surveillance threat.
Design, Manufacture, and Sale of TSCM, signals intelligence, cryptographic, and related secure communications systems and devices.
Research and Development of technical systems, devices, and tradecraft utilized by the counter-intelligence and special operations community.
Development of Specialized Computer Software and Firmware including low level drivers and related software to operate and integrate test equipment used for Signals Analysis, SIGINT, and TSCM.
Research, Development, and Prototyping of new products, including production of highly specialized, restricted, or exclusive use proprietary electronic items.
Intelligence Analysis and activities to determine the existence and capability of surveillance equipment. Special emphasis is given to detecting and countering espionage and other threats and activities directed by professional eavesdroppers.
Founded in 1987 and located near Boston, Massachusetts, Granite Island Group, is the internationally recognized leader in the field of Technical Surveillance Counter Measures (TSCM), Bug Sweeps, Wiretap Detection, Communications Security, Technical Counter-Intelligence, and Spy Hunting.
Granite Island Group provides expert technical, analytical and research capability for the detection, nullification, and isolation of eavesdropping devices, technical surveillance penetrations, technical surveillance hazards, and physical security weaknesses.
Granite Island Group also provides:
"As smoke is driven away, so are they driven;
as wax melts before the fire, so the wicked perish"
[Psalms 68:2] --- Ego te Expello.
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Granite Island Group
127 Eastern Avenue #291
Gloucester, MA 01930
Telephone: (978) 381-9111
International Callers: 001-978-381-9111